Evans Hydraulic Blue Bass Drum Head, 20 Inch

Evans blue Hydraulic series features a thin film of oil between two plies of thin film offering maximum durability, and a fat, deep and short sound pioneered by early 70's rock and roll. Hydraulics are famously easy to tune, making them a perfect fix for troublesome drums and players with little tuning experience. Evans blue Hydraulic series features a thin film of oil between two plies of thin film offering maximum durability, a fat, deep and short sound pioneered by early 70's rock and roll. Hydraulics are famously easy to tune, making them a perfect fix for troublesome drums and players with little tuning experience., 20" drum head with a thin layer of oil between two plies of blue film to suppress unwanted overtones, Two plies offer consistency and durability for longer playing time, A fat, deep and short sound pioneered by early 70's rock and roll, Also available in clear (also called glass,) black, and red versions